Congradulations on the new Pinnacle.
You can listen to standard TV sound through the Jensen unit, you have to select one of the AUX Settings, ours is factory set for Aux 2 for the TV feed sound.
I added our Dish Network Satellite Reciever to Aux 1 for better sound quality when using the Satellite Reciever.
Robert & Bale the "Traveling Dog"
2012 GMC 3500HD DRW